let Name: string = '我是一个好学生';
Name = '66666'
const MyName: string = '常量';
MyName = '常';

let buer: boolean = false;
let shuzhi: number = 6;
let zhifuchuan: string = '字符串';
const jian_zhi: object = { 'name': '李四', 'sex': '男', 'edc': '23' };
function add(x, y) {
	return x + y;
}

console.log(add(1));
console.group(add(1, 2));
console.group(add(1, 2));
function xing_ming(a: string b: string c: string) { return }
function builname(firstnam: string, lastname: string) { }



function xing_ming(a: string b: string c: string) { return }
function builname(firstnam: string, lastname: string) { }
